1991 BMW Z1 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 17 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 2,497 cc (6 cylinders), 1991 BMW Z1 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 145 kg more than 1991 BMW Z1.
Because 1991 BMW Z1 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Opel Astra (320 Nm @ 2000 RPM) has 90 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 2008 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1.
Compare all specifications:
| 1991 BMW Z1 | 2008 Opel Astra | |
| Make | BMW | Opel |
| Model | Z1 | Astra |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1909 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 0 HP |
| Torque | 230 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 11.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1395 kg |
| Vehicle Length | 3960 mm | 4300 mm |
| Vehicle Width | 1810 mm | 1760 mm |
| Vehicle Height | 1280 mm | 1440 mm |
| Wheelbase Size | 2450 mm | 2620 mm |
